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Pliny the Elder wrote that ancient Roman mystics prescribed crushed quartz crystals to cure severe cases of dysentery
Myths & mysteries

Pliny the Elder wrote that ancient Roman mystics prescribed crushed quartz crystals to cure severe cases of dysentery

Roman naturalists thought quartz was ice frozen so hard it could never melt, and believed its coldness could cool the body’s humors. That made swallowing…

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Why an audience can make easy tasks easier
Psychology

Why an audience can make easy tasks easier

When people are watching, your body can become more keyed up. For a simple task you’ve practiced, that extra energy can make the well-learned response quicker…

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The first flight attendants were all men
Transport

The first flight attendants were all men

Early airlines hired men as stewards, drawing on the seafaring tradition of male cabin staff. Once airlines wanted passengers to see flying as safe and…

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Why retro games looked better on old CRT screens
Technology

Why retro games looked better on old CRT screens

On CRTs, the glow of phosphors and the scanlines softened pixel edges, blending the blocky shapes together. Modern sharp screens reveal details those old…

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An orbital tether could trade one spacecraft's altitude for another's
Transport

An orbital tether could trade one spacecraft's altitude for another's

Connect two objects with a long tether and release them at the right moment, and their different motions can send them onto different orbits. One gains…

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Tajine refers to both the dish and the clay pot
Travel

Tajine refers to both the dish and the clay pot

The conical lid lets steam condense and drip back into the stew, helping keep the meat tender as it cooks.

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Mattress commercials employ deliberate psychological tricks
Culture & entertainment

Mattress commercials employ deliberate psychological tricks

A bowling ball bouncing on memory foam says little about how well a mattress supports a sleeper; the stunt showcases the foam, not actual sleep quality.

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Gemini possesses unmatched skill in losing sunglasses
Myths & mysteries

Gemini possesses unmatched skill in losing sunglasses

They buy cheap sunglasses in bulk, then lose a pair, search everywhere—even on their own heads—and buy another. The cycle repeats.

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Newton left administrative paperwork as well as laws of motion
History

Newton left administrative paperwork as well as laws of motion

Alongside mathematics and physics, his surviving writings include records from his work as Warden and Master of the Mint. The Newton Project also publishes…

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Geocentric views pretend earth is center
Myths & mysteries

Geocentric views pretend earth is center

The geocentric model puts Earth at the center of the cosmos; the joke is that this can sound like the universe revolves around the person using it.

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Capricorn natives complain about literal absolute perfection
Myths & mysteries

Capricorn natives complain about literal absolute perfection

Even a flawless result can leave them hunting for tiny flaws so they can keep criticizing.

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Birth time obsession drives insane internet traffic
Myths & mysteries

Birth time obsession drives insane internet traffic

The joke is that people search online for their birth time instead of simply calling the hospital records department.

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Red made people snack less in one experiment
Culture & entertainment

Red made people snack less in one experiment

Researchers tested whether a color associated with stopping and avoidance could affect eating and drinking. Participants consumed less from red tableware in…

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Save states literally dump active memory
Games

Save states literally dump active memory

An emulator save state records the contents of active RAM in a file; loading it restores the game to that exact moment, even if you were about to fall off a…

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Specialized mystical tools are bizarrely fragile
Myths & mysteries

Specialized mystical tools are bizarrely fragile

The joke is that one drop can leave an esoteric tool in pieces, forcing an expensive replacement.

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Left 4 Dead 2 built dozens of ways for zombies to come apart
Games

Left 4 Dead 2 built dozens of ways for zombies to come apart

Valve's developer commentary describes 43 distinct wound possibilities, with damage reacting to gunfire, melee attacks, and explosions. The sequel expanded…

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When dentists used tons of gold every year
Economy

When dentists used tons of gold every year

For years, a trip to the dentist could mean putting gold in your mouth. Before composite resins became common, gold was a routine material for dental work,…

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Tandem bicycles force the rear rider to stare at a back
Transport

Tandem bicycles force the rear rider to stare at a back

Both riders face forward, so the front cyclist gets the scenery and the rear cyclist gets a close-up of a human back. Tandem seating keeps both riders…

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